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  <attribute name="title" value="Chlorpyrifos, Halomethoxybenzenes (HMBs) and POPs (persistent organic pollutants) at Villum Research Station, Station Nord" />
  <attribute name="summary" value="Chlorpyrifos, Halomethoxybenzenes (HMBs) and POPs (persistent organic pollutants) at Villum Research Station, Station Nord. These measurements are gathered as a part of the following projects CAMP, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['HCBD in air (mass_concentration_of_hexachlorobutadiene_in_air)', 'PCB_11 in air', 'aldrin in air (mass_concentration_of_aldrin_in_air)', 'alpha_HCH in air (mass_concentration_of_alpha_hexachlorocyclohexane_in_air)', 'alpha_endosulfan in air', 'anti_DP in air', 'beta_HCH in air (mass_concentration_of_beta_hexachlorocyclohexane_in_air)', 'beta_endosulfan in air', 'chlorpyrifos in air', 'cis_CD in air (mass_concentration_of_cis_chlordane_in_air)', 'cis_NO in air (mass_concentration_of_cis_nonechlor_in_air)', 'dieldrin in air (mass_concentration_of_dieldrin_in_air)', 'endosulfan in air (mass_concentration_of_endosulfan_in_air)', 'endrin in air (mass_concentration_of_endrin_in_air)', 'gamma_HCH in air (mass_concentration_of_gamma_hexachlorocyclohexane_in_air)', 'heptachlor in air (mass_concentration_of_heptachlor_in_air)', 'heptachlorepoxide in air (mass_concentration_of_heptachlor_epoxide_in_air)', 'op_DDD in air (mass_concentration_of_op_dichlorodiphenyldichloroethane_in_air)', 'op_DDE in air (mass_concentration_of_op_dichlorodiphenyldichloroethylene_in_air)', 'op_DDT in air (mass_concentration_of_op_dichlorodiphenyltrichloroethane_in_air)', 'pentachloroanisole in air (mass_concentration_of_pentachloroanisole_in_air)', 'pp_DDD in air (mass_concentration_of_pp_dichlorodiphenyldichloroethane_in_air)', 'pp_DDE in air (mass_concentration_of_pp_dichlorodiphenyldichloroethylene_in_air)', 'pp_DDT in air (mass_concentration_of_pp_dichlorodiphenyltrichloroethane_in_air)', 'syn_DP in air', 'trans_CD in air (mass_concentration_of_trans_chlordane_in_air)', 'trans_NO in air (mass_concentration_of_trans_nonachlor_in_air)']" />
  <attribute name="keywords" value="&quot;Villum Research Station, Station Nord&quot; DK0010G HCBD PCB_11 aldrin alpha_HCH alpha_endosulfan anti_DP beta_HCH beta_endosulfan chlorpyrifos cis_CD cis_NO dieldrin endosulfan endrin gamma_HCH heptachlor heptachlorepoxide op_DDD op_DDE op_DDT pentachloroanisole pp_DDD pp_DDE pp_DDT syn_DP trans_CD trans_NO air CAMP EMEP mass_concentration_of_hexachlorobutadiene_in_air mass_concentration_of_aldrin_in_air mass_concentration_of_alpha_hexachlorocyclohexane_in_air mass_concentration_of_beta_hexachlorocyclohexane_in_air mass_concentration_of_cis_chlordane_in_air mass_concentration_of_cis_nonechlor_in_air mass_concentration_of_dieldrin_in_air mass_concentration_of_endosulfan_in_air mass_concentration_of_endrin_in_air mass_concentration_of_gamma_hexachlorocyclohexane_in_air mass_concentration_of_heptachlor_in_air mass_concentration_of_heptachlor_epoxide_in_air mass_concentration_of_op_dichlorodiphenyldichloroethane_in_air mass_concentration_of_op_dichlorodiphenyldichloroethylene_in_air mass_concentration_of_op_dichlorodiphenyltrichloroethane_in_air mass_concentration_of_pentachloroanisole_in_air mass_concentration_of_pp_dichlorodiphenyldichloroethane_in_air mass_concentration_of_pp_dichlorodiphenyldichloroethylene_in_air mass_concentration_of_pp_dichlorodiphenyltrichloroethane_in_air mass_concentration_of_trans_chlordane_in_air mass_concentration_of_trans_nonachlor_in_air" />
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  <attribute name="project" value="CAMP, EMEP" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/YCRG-B6CZ" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Keller, R., CAMP, EMEP, 2023, Chlorpyrifos, Halomethoxybenzenes (HMBs) and POPs (persistent organic pollutants) at Villum Research Station, Station Nord, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/YCRG-B6CZ" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="DK01L &quot;National Environmental Research Institute&quot; NERI &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;" />
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  <attribute name="date_created" value="2023-10-18T08:41:32.912767Z" />
  <attribute name="date_metadata_modified" value="2023-06-01T00:00:00Z" />
  <attribute name="creator_name" value="Rune Keller" />
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  <attribute name="contributor_name" value="Rune Keller" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
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  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (-16.67 81.6 20)" />
  <attribute name="geospatial_lat_min" type="double" value="81.6" />
  <attribute name="geospatial_lat_max" type="double" value="81.6" />
  <attribute name="geospatial_lon_min" type="double" value="-16.67" />
  <attribute name="geospatial_lon_max" type="double" value="-16.67" />
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  <attribute name="time_coverage_start" value="2021-08-02T00:00:00Z" />
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  <attribute name="time_coverage_duration" value="P0000-05-01T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-28T00:00:00" />
  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
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  <attribute name="ebas_station_altitude" value="20.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="pg/m3" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="DK01L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
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  <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
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  <attribute name="geospatial_lon_units" value="degrees_east" />
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  <attribute name="history" value="None" />
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  <dimension name="time" length="6" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="qc_HCBD_flags" length="1" />
  <dimension name="qc_PCB_11_flags" length="1" />
  <dimension name="qc_aldrin_flags" length="1" />
  <dimension name="qc_alpha_HCH_flags" length="1" />
  <dimension name="qc_alpha_endosulfan_flags" length="1" />
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  <dimension name="qc_cis_CD_flags" length="1" />
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  <dimension name="qc_endrin_flags" length="1" />
  <dimension name="qc_gamma_HCH_flags" length="1" />
  <dimension name="qc_heptachlor_flags" length="1" />
  <dimension name="qc_heptachlorepoxide_flags" length="1" />
  <dimension name="qc_op_DDD_flags" length="1" />
  <dimension name="qc_op_DDE_flags" length="1" />
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  <dimension name="qc_pp_DDE_flags" length="1" />
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  <dimension name="qc_trans_CD_flags" length="1" />
  <dimension name="qc_trans_NO_flags" length="1" />
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    <attribute name="time_coverage_start" value="2021-08-05T12:00:00Z" />
    <attribute name="time_coverage_end" value="2021-12-30T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="2540160.0" />
    <attribute name="time_coverage_duration" value="P0Y0M147DT0H0M0.000S" />
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    <attribute name="metadata_creation" value="2026-07-07" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
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    <attribute name="ebas_matrix" value="air" />
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    <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: CAMP, EMEP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/beta-endosulfanmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="beta-endosulfan mass concentration" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_beta_endosulfan" shape="qc_beta_endosulfan_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="qc_chlorpyrifos meta_chlorpyrifos" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2023-06-01T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
    <attribute name="ebas_station_latitude" type="double" value="81.6" />
    <attribute name="ebas_station_longitude" type="double" value="-16.67" />
    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="chlorpyrifos" />
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    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="DK01L" />
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    <attribute name="ebas_instrument_name" value="HVS" />
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    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: CAMP, EMEP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/chlorpyrifosmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="chlorpyrifos mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_chlorpyrifos" shape="qc_chlorpyrifos_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_chlorpyrifos" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_cis_CD" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_cis_chlordane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2023-06-01T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
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    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="cis_CD" />
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    <attribute name="ebas_laboratory_code" value="DK01L" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/-Z-chlordanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="gaseous (Z)-chlordane mass concentration" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_cis_CD" shape="qc_cis_CD_flags time" type="int">
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_cis_NO" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_cis_nonechlor_in_air" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="DK0010G" />
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    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
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    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="cis_NO" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/-Z-nonachlormassconcentration" />
    <attribute name="actris_variable_preferred_term" value="gaseous (Z)-nonachlor mass concentration" />
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  <variable name="qc_cis_NO" shape="qc_cis_NO_flags time" type="int">
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_dieldrin" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_dieldrin_in_air" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="dieldrin" />
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    <attribute name="ebas_originator" value="&quot;Keller, Rune, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/dieldrinmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="gaseous dieldrin mass concentration" />
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  <variable name="qc_dieldrin" shape="qc_dieldrin_flags time" type="int">
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  <variable name="meta_dieldrin" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_endosulfan" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_endosulfan_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="qc_endosulfan meta_endosulfan" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2023-06-01T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
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    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="endosulfan" />
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    <attribute name="ebas_laboratory_code" value="DK01L" />
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    <attribute name="ebas_instrument_name" value="HVS" />
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    <attribute name="ebas_framework_acronym" value="CAMP, EMEP" />
    <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="The OSPARCOM Comprehensive Atmospheric Monitoring Programme goal is the assessment of the atmospheric input of selected contaminants to the OSPAR maritime area and regions., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems." />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: CAMP, EMEP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/endosulfanmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="gaseous endosulfan mass concentration" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_endosulfan" shape="qc_endosulfan_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
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  <variable name="meta_endosulfan" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_endrin" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_endrin_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2023-06-01T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
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    <attribute name="ebas_station_longitude" type="double" value="-16.67" />
    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="endrin" />
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    <attribute name="ebas_laboratory_code" value="DK01L" />
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    <attribute name="ebas_instrument_name" value="HVS" />
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    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="CAMP, EMEP" />
    <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/endrinmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="gaseous endrin mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/CAMP, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_endrin" shape="qc_endrin_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
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  <variable name="meta_endrin" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_gamma_HCH" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_gamma_hexachlorocyclohexane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="qc_gamma_HCH meta_gamma_HCH" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2023-06-01T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
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    <attribute name="ebas_station_longitude" type="double" value="-16.67" />
    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="gamma_HCH" />
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    <attribute name="ebas_laboratory_code" value="DK01L" />
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    <attribute name="ebas_instrument_name" value="HVS" />
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    <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gamma-hexachlorocyclohexanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="gaseous gamma-hexachlorocyclohexane mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="high volume filter sampler" />
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    <attribute name="actris_framework_preferred_term" value="CAMP, EMEP" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_gamma_HCH" shape="qc_gamma_HCH_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
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  <variable name="meta_gamma_HCH" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_heptachlor" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_heptachlor_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pg/m3" />
    <attribute name="ancillary_variables" value="qc_heptachlor meta_heptachlor" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2023-06-01T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="DK0010G" />
    <attribute name="ebas_platform_code" value="DK0010S" />
    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
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    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="heptachlor" />
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    <attribute name="ebas_laboratory_code" value="DK01L" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/heptachlormassconcentration" />
    <attribute name="actris_variable_preferred_term" value="gaseous heptachlor mass concentration" />
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  <variable name="qc_heptachlor" shape="qc_heptachlor_flags time" type="int">
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_heptachlor_epoxide_in_air" />
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    <attribute name="ancillary_variables" value="qc_heptachlorepoxide meta_heptachlorepoxide" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2023-06-01T00:00:00.000000Z" />
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    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="heptachlorepoxide" />
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    <attribute name="ebas_laboratory_code" value="DK01L" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/heptachlorepoxidemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="gaseous heptachlor epoxide mass concentration" />
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    <attribute name="standard_name" value="status_flag" />
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  <variable name="meta_heptachlorepoxide" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_op_DDD" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_op_dichlorodiphenyldichloroethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="qc_op_DDD meta_op_DDD" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2023-06-01T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_station_name" value="Villum Research Station, Station Nord" />
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    <attribute name="ebas_station_altitude" value="20.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="op_DDD" />
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    <attribute name="ebas_laboratory_code" value="DK01L" />
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    <attribute name="ebas_instrument_name" value="HVS" />
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    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="standard_name" value="mass_concentration_of_op_dichlorodiphenyldichloroethylene_in_air" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="actris_variable_preferred_term" value="gaseous o,p-DDE mass concentration" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_op_dichlorodiphenyltrichloroethane_in_air" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="standard_name" value="mass_concentration_of_pp_dichlorodiphenyltrichloroethane_in_air" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="actris_variable_preferred_term" value="gaseous dechlorane plus syn mass concentration" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_trans_chlordane_in_air" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="long_name" value="time of measurement" />
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    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
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    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
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    <attribute name="long_name" value="time of ebas metadata intervals" />
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